Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category Anticholinergics (6) (-) Antihypertensives (2) Antimicrobials (1) Test Sub-Category Beta Blockers (6) (-) Calcium Channel Blockers (2) Your search has returned no tests.